while (!Joke.hasBeenTold()) {
    Chat.chant("JOKE!")
}

while (programmer.isOutside()) {
    Item milk = Economy.Items().buy(ItemClass.MILK);
    milk.moveTo(Location.HOME);
}

programmer.getToDo(Activity.OUTSIDE).add(() ->
    Item milk = Economy.getItems().buy(ItemClass.MILK);
    milk.bringTo(Location.HOME);
)

def buy_milk( amount , has_money, programmer_outside  )
    if programmer_outside and has_money :
       if store.has_milk() :
           return store.purchase(milk,amount)

def buy_milk( amount , has_money, programmer_outside  )
    if programmer_outside and has_money :
       if store.has_milk() and store.milk.price() <= self.money :
           return store.purchase(milk,amount)

def buy_milk( amount , has_money, programmer_outside  ):
    if self.location is store :
       if store.has_milk() and store.milk.price()*amount <= self.money :
           return store.purchase(milk,amount)

def buyMilk(amount):
    if (store.get_inventory(milk) >= amount) and (store.milk.price() * amount <= self.money):
        milk = store.purchase(milk,amount)
        return milk